Added in a revision picker with dummy data

dashboard/dashboard/list_tests.py

 # Copyright 2015 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 """Functions for making lists of tests, and an AJAX endpoint to list tests.
 
 This module contains functions for listing:
  - Sub-tests for a given test suite (in a tree structure).
  - Tests which match a given test path pattern.
 """
@@ skipping 19 matching lines @@
       suite: Test suite name (applies only if type is "sub_tests").
       bots: Comma-separated bots name (applies only if type is "sub_tests").
       p: Test path pattern (applies only if type is "pattern").
       has_rows: "1" if the requester wants to list only list tests that
           have points (applies only if type is "pattern").
 
     Outputs:
       A data structure with test names in JSON format, or nothing.
     """
     self.response.headers.add_header('Access-Control-Allow-Origin', '*')
+    
+    speed_releasing = self.request.get('speed_releasing')
+    if speed_releasing == 'true':
+      tests = {}
+      tests['memory:chrome:all_processes:reported_by_chrome:gpu:effective_size_avg'] = {}
+      tests['memory:chrome:all_processes:reported_by_chrome:gpu:effective_size_avg'] = {'has_rows': True, 'sub_tests': {}}
+      
+      self.response.out.write(json.dumps(tests))
+      return
+
     list_type = self.request.get('type')
     # TODO(qyearsley): Separate these into two different handlers.
 
     if list_type == 'sub_tests':
       suite_name = self.request.get('suite')
       bot_names = self.request.get('bots').split(',')
       test_list = GetSubTests(suite_name, bot_names)
       self.response.out.write(json.dumps(test_list))
 
     if list_type == 'pattern':
@@ skipping 218 matching lines @@
     query_parts.append(('test_part%d_name' % (index + 1), part))
   query = graph_data.TestMetadata.query()
   for part in query_parts:
     query = query.filter(ndb.GenericProperty(part[0]) == part[1])
   if has_rows is not None:
     query = query.filter(graph_data.TestMetadata.has_rows == has_rows)
   if deprecated is not None:
     query = query.filter(graph_data.TestMetadata.deprecated == deprecated)
   descendants = query.fetch(keys_only=keys_only)
   return descendants